So if Glow says today is my Peak Day...does that mean my " O " Day

Kiki • Mon, Dec 08 • His, Mine and Ours 😘💕🎀 A4 (Alexia, Abigail, Ava Grace and Baby Amelya Mae ) 💋

Does that mean as of tomorrow I start counting dpo? Any advice would be appreciated I am not using opk's this time just wanted to go off Glow.